72 Assorted Hairsprings With Collets Clockmaker Clock Parts
72 Alarm Clock Hairspring Collets This is a new assortment of 72 assorted hairsprings with collets These are for use in alarm clocks The springs are various sizes, ranging from 11mm (0.433") to 19mm (0.748"). There is a variety of eight different sizes. The largest shaft size is approximately 2mm diameter.Sold By FindingKing.